<template>
  <div class="antv-chart-mini">
    <div class="chart-wrapper" :style="{ height: 46 }">
      <v-chart
        :force-fit="true"
        :height="height"
        :data="data"
        :scale="scale"
        :padding="[36, 0, 18, 0]"
      >
        <v-tooltip />
        <v-smooth-area position="x*y" />
      </v-chart>
    </div>
  </div>
</template>

<script>
//import dayjs from "dayjs";

const sourceData = [];
const beginDay = new Date().getTime();

for (let i = 0; i < 10; i++) {
  sourceData.push({
    x: dayjs(new Date(beginDay + 1000 * 60 * 60 * 24 * i)).format("YYYY-MM-DD"),
    y: Math.round(Math.random() * 10)
  });
}

export default {
  name: "MiniArea",
  props: {
    dataSource: {
      type: Array,
      default: () => []
    },
    // x 轴别名
    x: {
      type: String,
      default: "x"
    },
    // y 轴别名
    y: {
      type: String,
      default: "y"
    }
  },
  data() {
    return {
      data: [],
      height: 100
    };
  },
  computed: {
    scale() {
      return [
        { dataKey: "x", title: this.x, alias: this.x },
        { dataKey: "y", title: this.y, alias: this.y }
      ];
    }
  },
  created() {
    if (this.dataSource.length === 0) {
      this.data = sourceData;
    } else {
      this.data = this.dataSource;
    }
  }
};
</script>

<style lang="less" scoped>
@import "chart";
</style>